detector simulation activities @ the university of iowa by a. s. ayan & u. akgun
DESCRIPTION
Detector Simulation Activities @ The University of Iowa by A. S. Ayan & U. Akgun. HEP Detector Simulation. Generic Compensated Calorimeter Simulations. Radiation Dose/Activation Simulations on HF prototype. Next Generation HEP Detectors R&D and Simulations. - PowerPoint PPT PresentationTRANSCRIPT
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Detector Simulation Activities@ The University of Iowa
by A. S. Ayan & U. Akgun
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HEP Detector Simulation
• Generic Compensated Calorimeter Simulations.
• Radiation Dose/Activation Simulations on HF prototype.
• Next Generation HEP Detectors R&D and Simulations.
• CMS detector upgrade projects for SLHC conditions.
• Tools used: EGS4, GEANT4
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Past experiences with EGS4
• We used EGS4 extensively to study and estimate the radiation dose levels for the HF detector. Compared simulations with the test results.
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Fe-Matrix I and II
We irradiated two Fe matrices with 500MeV electrons at CERN to study the dose and activation levels and compared the results with EGS4 simulations
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Longitudinal dose development along the Fe absorber depth and EGS4 comparison
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Lateral dose development and EGS4 comparison
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EGS4 shows the photon energies along the Fe-absorber depth
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Study of HE w/ Quartz Plates
A very high radiation dose (damage) expected on HE scintillators over a period of 10 years of LHC operation.
Can we replace scintillators w/ (Radiation Hard) Quartz Plates?
We use GEANT4 to study the performance and the properties of such a detector.
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HE w/ Quartz Plates
•A matrix of 3x3 towers with alternating 4.5 mm Cu and 0.5 mm Quartz plates constructed. (30cm x 30cm x 100 cm)
•Detector geometry optimization.
•Read-out studies.
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A close look
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Some preliminary results
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EM Shower development for different beam energies
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Hadronic(π) shower development for different beam energies
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What we really need…
Full CMS simulation for overall detector-physics performance on possible upgrades. Using new tools like OSCAR.
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Also happening…
• CMS Heavy Ion project, ZDC…
• Performance and physics simulations for different designs; – HF style Quartz Fiber calorimeter
Or– PPAC